Laser Distance Products Category : Physics, Energy > Physical Instruments, Experiment INQUIRY Details Two 650nm wavelength of red laser (use triangle geometry to measure the distance). The size of base is 50*18.5*3.5cm. Send Inquiry Name:* E-mail:* Tel: Content:* Verification Code:* (All * must be filled in) [ Previous: ] [ Next: ] Related Products Receiving and Transmitting Electromagnetic Waves Large-Screen Oscilloscope Sympathetic Chord Friction Current and Magnetic Field Resistance Box The Current and The Magnetic Field Gay–Lussac law Demonstrator